Direct Blue 80

Product Name:Direct Blue 80 200%
Molecular Structure: Double azo,Metal Complexes

Molecular Formula:C₃₄H₂₂N₄Na₄O₁₆S₄

Molecular Weight: 962.78
CAS Registry Number:12222-00-3
Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, and 3-Hydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupling, and then into copper and chrome and content.
Properties and Applications: blue. Deep purple powder, soluble in water. The strong sulfuric acid dyes for blue, red to blue after diluted, accompanied by precipitation. The water solution is blue, add 10% sodium hydroxide solution into the gray. Water-soluble is very good, levelness and exhaust the dye better properties. Copper ions in dyeing color to become red, encounter iron ion colored light become the dark. Mainly used for cotton, viscose and their blended fabric dyeing, general is not used for printing, also can be used for leather color.
Counter product:Intralite Blue 2RLL;Solar Blue 2RL
Use:for cotton, viscose and their blended fabric dyeing, general is not only used for printing, also can be used for leather color.
Packing: 25KG Carton